<span>HIV is increasingly recognized as an illness that affects couples and families, and not just the individual. This is not only because the virus can be passed on from one person to another, but also because for every person infected with HIV, there is a family and community that are also affected.</span>
1) the claim (the explanation)
2) the evidence (observations)
3) the rationale (the reasoning)
hope this helps. :)
The answer would be D because the proportion is 6:9, which could be simplified to 2:3
A. Pacemaker cells located in the atria fire before the pacemaker cells in the ventricles. B. It takes time for hormones to diffuse from the atria to the ventricles to trigger contraction. C.The electrical signal generated in the right atrium is delayed at the AV node before passing to the ventricles. D.The ventricular muscle cells contract more slowly than the atrial muscle cells.
Our body needs some kinds of bacteria to maintain a balanced and healthy state. for example, our bodies need Lactobacillus acidophilus to create lactic acid which is the acid in our stomachs/intestines. without it, we wouldnt be able to properly digest our food.
there are some cases in which bacteria can be really harmful however like salmonella which, odviously isnt ideal for our bodies. even good bacteria can hurt us if we end up with to much of it.
this isnt a super detailed explaination but i hope it helped!
